3Com 3C13636 Configuration Manual page 909

3Com Router 3000 Ethernet Family
Configuration Guide
[PE-C-bgp] peer 30.1.1.1 group 30
[PE-C-bgp] peer 30.1.1.1 connect-interface loopback 0
[PE-C-bgp] ipv4-family vpnv4
[PE-C-bgp-af-vpn] peer 10 enable
[PE-C-bgp-af-vpn] peer 10.1.1.1 group 10
[PE-C-bgp-af-vpn] peer 30 enable
[PE-C-bgp-af-vpn] peer 30.1.1.1 group 30
[PE-C-bgp-af-vpn] quit
3) Configure PE-B.
# Create VPN-instance for VPN2 on PE-B, so that it can transceive VPN routing
information of VPN-target 222:2.
[PE-B] ip vpn-instance 3
[PE-B-vpn-3] route-distinguisher 100:3
[PE-B-vpn-3] vpn-target 222:2
[PE-B-vpn-3] quit
# Set up EBGP adjacency between PE-B and CE-B, redistribute intra-CE-B VPN routes
learned into MBGP VPN-instance address family.
[PE-B] bgp 100
[PE-B-bgp] ipv4-family vpn-instance vpn-instance3
[PE-B-bgp-af-vpn-instance] group 172 external
[PE-B-bgp-af-vpn-instance] peer 172.17.1.1 group 172 as-number 65013
[PE-B-bgp-af-vpn-instance] import-route direct
[PE-B-bgp-af-vpn-instance] import-route static
[PE-B-bgp-af-vpn-instance] quit
[PE-B-bgp] quit
# Bind the interface Ethernet1/0/0 connecting CE-B with VPN-instance 3.
[PE-B] interface ethernet 1/0/0
[PE-B-Ethernet1/0/0] ip binding vpn-instance vpn-instance3
[PE-B-Ethernet1/0/0] ip address 172.17.0.1 255.255.0.0
[PE-B-Ethernet1/0/0] quit
# Configure loopback interface.
[PE-B] interface loopback 0
[PE-B-LoopBack0] ip address 30.1.1.1 255.255.255.255
[PE-B-LoopBack0] quit
# Configure MPLS basic capacity.
[PE-B] mpls lsr-id 30.1.1.1
[PE-B] mpls ldp enable
[PE-B-mpls-ldp] quit
# Set up MP-IBGP adjacency between PEs to exchange intra-PE VPN routing
information, activate MP-IBGP peer in VPNv4 address family view.
Chapter 3 BGP/MPLS VPN Configuration
3Com Corporation
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